856557968

素因数分解:

$2^4\times 7^1\times {\mathrm{7647839}}^1$

素因数の和:7647854

約数の個数: 20

約数和(自身を含む): 1896664320

約数和(自身を除く): 1040106352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 7647839, 15295678, 30591356, 53534873, 61182712, 107069746, 122365424, 214139492, 428278984, 856557968]

約数ペア:

[(1, 856557968), (2, 428278984), (4, 214139492), (7, 122365424), (8, 107069746), (14, 61182712), (16, 53534873), (28, 30591356), (56, 15295678), (112, 7647839)]